SPRINT and GRADE cut Toffoli cost 4.5x versus prior Trotter methods for Li4Mn2O X-ray spectrum simulation while using 5.5x fewer qubits than qubitization alternatives.
Define U2(τ, ϕ) =e −iϕQph U2(τ)e +iϕQph ,(E63) whereΠ ph =|0⟩ ⟨0| aux is the binary projector distinguishing the physical from auxiliary subspace, andQ ph = 1−Π ph
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Theory and practice of Trotter product formulas for quantum chemistry
SPRINT and GRADE cut Toffoli cost 4.5x versus prior Trotter methods for Li4Mn2O X-ray spectrum simulation while using 5.5x fewer qubits than qubitization alternatives.